EP0457874B1 - Zahnimplantat - Google Patents

Zahnimplantat Download PDF

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Publication number
EP0457874B1
EP0457874B1 EP91900266A EP91900266A EP0457874B1 EP 0457874 B1 EP0457874 B1 EP 0457874B1 EP 91900266 A EP91900266 A EP 91900266A EP 91900266 A EP91900266 A EP 91900266A EP 0457874 B1 EP0457874 B1 EP 0457874B1
Authority
EP
European Patent Office
Prior art keywords
head
insertable
dental
implant
dental implant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91900266A
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English (en)
French (fr)
Other versions
EP0457874A1 (de
Inventor
Patrick Peltier
Guy Peltier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0457874A1 publication Critical patent/EP0457874A1/de
Application granted granted Critical
Publication of EP0457874B1 publication Critical patent/EP0457874B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0053—Connecting devices for joining an upper structure with an implant member, e.g. spacers with angular adjustment means, e.g. ball and socket joint
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0054—Connecting devices for joining an upper structure with an implant member, e.g. spacers having a cylindrical implant connecting part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection

Definitions

  • the invention relates to dental implants intended to be implanted in the lower or upper jaw, to serve as support for a dental prosthesis, crown or bridge, after complete extraction of one or more teeth.
  • these implants are formed of a part insertable into the bone tissue and of a head, called an implant, which is fixed on the insertable part and which receives the prosthesis, which forms the preamble of claim 1 .
  • Document FR-A-2.085.013 describes a dental implant in which the head and the insertable part are connected together by a ball joint to allow the inclination of the head relative to the insertable part. Locking in position is ensured by a locking screw or by tensioning a flexible link such as a cable.
  • the dental implant described in this document has a relatively complicated structure.
  • the invention therefore aims to remedy the drawbacks mentioned above by providing a dental implant which can be arranged in an angular and circumferential manner. Another object of the invention is to provide such a dental implant which is easy to produce and to use.
  • the subject of the invention is therefore a dental implant intended to be implanted in the lower or upper jaw to serve as support for a dental prosthesis and comprising a part, such as a threaded barrel, blade or the like, which is insertable into the bone tissue of the receiving jaw for anchoring the implant therein and which comprises a droire part, in particular cylindrical, one end of which is flush with the surface of the jaw when said part is inserted therein, as well as an implanted implant head removably to said insertable part and, in which means are provided for ensuring the immobilization of the head in said appropriate position and, in the right part of the insertable part, a cylindrical cavity extending concentrically with the axis longitudinal of said part and extending in the head by a cylindrical cavity, concentric with the longitudinal axis of the head, with in the cavities a oblong element connecting the head to the insertable part, characterized in that said oblong element is bendable, in the vicinity of the center of the patella when the implant is in place in the
  • bendable element means an element which retains of itself the shape, that is to say the inclination, which has been given to it by bending.
  • the free parts of said cavities, adjacent to the patella are filled with dental cement, or other material, capable of being disaggregated by appropriate means, in particular by ultrasound, for possible disassembly of the head.
  • dental cement or other material, capable of being disaggregated by appropriate means, in particular by ultrasound, for possible disassembly of the head.
  • Particularly suitable cements are zinc phosphate cements and, in general, all cements which do not "weld" the metal constituting the implant.
  • the head has a spherical part arranged so as to be able to cooperate closely with a complementary contact surface, in the form of a portion of hollow sphere, carried by said flush end of the insertable part, the spherical part and the contact surface forming said ball.
  • the opening angle of the spherical contact surface that is to say the angle defined by the two most distant rays passing through the center of an imaginary circle in which the contact surface is inscribed, is at most equal to 180 ° to allow the bond to be removed. It is preferred that this angle is equal to 180 ° for reasons of mechanical strength, therefore that the contact surface is a hollow hemisphere.
  • the cavities provided in the right part of the insertable element and in the implant head, in the extension of one another, are internally threaded over at least part of their length
  • the bendable element comprises a bendable rod carrying at or near each of its ends, a satellite, provided with a thread complementary to that of the corresponding cavity and, at the free end of the spherical part of the head, the cavity provided in the head widens frustoconically, the patella, the cavities and the bendable rod being dimensioned so as to be able to withstand an inclination, of the head relative to the straight part of the insertable piece, of between 0 and 30 ° approximately.
  • the bendable element Before bending, the bendable element is advantageously symmetrical with respect to its center in order to facilitate the work of the practitioner.
  • the threaded parts of each cavity are therefore equivalent.
  • the dental implant according to the invention is entirely made of pure titanium, of dental shade. We can also consider making it from an alloy of titanium, aluminum and vanadium.
  • the dental implant according to the invention is made of pure titanium, of dental shade, and comprises a part insertable into the jaw of the patient.
  • the insertable part is a cylindrical part or barrel 1, partially represented, comprising a usual threaded part and a non-threaded part 2 whose end is flush with the surface of the jaw or gum when the barrel 1 is in place.
  • the cylindrical part is replaced by a usual blade 1 ′, in particular an openwork blade, which is extended by a part 2 identical to the non-threaded part 2 of the figure 1.
  • part 2 of the insertable part 1 or 1 ′ has a surface in the shape of a hollow hemisphere called contact surface 4.
  • Part 2 further comprises a cylindrical cavity 5 extending over substantially the entire length of said part 2 and concentrically with the longitudinal axis thereof.
  • the cavity 5 is internally threaded.
  • the implant also comprises an implant head 6 which is the part of the implant which is located outside the jaw and which receives the prosthesis.
  • This head 6 has a generally frustoconical shape with a narrow end 7 and a partially spherical end, called in this context "spherical part" 8. More precisely, this spherical part 8 is a spherical segment whose median axis coincides with the axis longitudinal of the head 6.
  • the head 6 has an axial cavity 9 which opens to the spherical part 8 by a truncated cone 10 flaring outwards.
  • the axial cavity 9 has an internal thread.
  • the contact surface 4 and the spherical part 8 are dimensioned so as to be able to form a ball joint in which the external surface of the spherical part 8 cooperates closely with the contact surface 4, when the head 6 and the part 1 or 1 'are assemblies.
  • the assembly of the head 6 and of the part 1 or 1 ′ is ensured by an oblong element 11 coming to be screwed into each of the cavities 5 and 9 and comprising a rod 12 provided, at each of its ends, with a satellite 13 comprising a thread complementary to the internal thread of the cavities 5 and 9.
  • the oblong element 11 is symmetrical with respect to the center 14 of the rod 12. When the implant is assembled, the center 14 coincides with the center of the patella.
  • the rod 12 is screwed fully into the head 6.
  • the practitioner presents the head 6 - rod 12 assembly after having put a suitable dental cement 15 (which can be disintegrated by ultrasound) at the end of said head 6, in particular in the cavity formed by the truncated cone 10, then screws the head 6 into the insertable part 1, without completely locking. He then performs the required bending using an appropriate tool, then screws the head fully. The excess cement, overflowing from the patella, is then removed.
  • a suitable dental cement 15 which can be disintegrated by ultrasound
  • the bending angle is limited by the configuration of the ball joint.
  • Juxta-osseous implants are those for which the implant is fixed around the bone and not in it, as is the case for endosseous implants of the blade or screw type.
  • the implant head according to the invention can have any usual external shape. It may in particular include circumferential grooves and / or gripping surfaces for clamping tools.
  • An important advantage of the invention is to be able to provide a standard implant which the practitioner adjusts according to the case concerned.
  • the standardization of this implant simplifies its manufacture, facilitates the supply of the practitioner and reduces the tools necessary for its assembly.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)
  • Prostheses (AREA)

Claims (5)

  1. Zahnimplantat zur Implantation im Unterkiefer oder Oberkiefer zum Halten einer Zahnprothese mit einem Teil (1, 1'), beispielsweise einem Gewindeschaft, einer Zunge u. ä., das in das Knochengewebe des Kiefers einsetzbar ist, um dort die Verankerung des Implantates zu sichern, und das einen geraden, insbesondere zylindrischen Abschnitt (2) besitzt, von dem ein Ende (3) an der Fläche des Kiefers satt anliegt, wenn das Teil (1, 1') in den Kiefer eingesetzt worden ist, und einem Implantatkopf (6), der mit dem einsetzbaren Teil (1, 1') unbeweglich verbunden ist und in dem Einrichtungen vorgesehen sind, die die Unbeweglichkeit des Kopfes (6) in dieser geeigneten Position sicherstellen, sowie einem zylindrischen Hohlraum (5) im geraden Abschnitt (2) des einsetzbaren Teiles (1, 1'), der sich konzentrisch zur Längsachse des Abschnittes (2) erstreckt und sich in den Kopf (6) über einen zylindrischen Hohlraum (9) fortsetzt, der konzentrisch zur Längsachse des Kopfes (6) verläuft, wobei in den Hohlräumen (5 und 9) ein längliches Element (11) vorgesehen ist, das den Kopf (6) mit dem einsetzbaren Teil (1, 1') verbindet, dadurch gekennzeichnet, daß das längliche Element in der Nähe des Mittelpunktes des Kugelgelenkes biegbar ist, wenn sich das Implantat im Mund an Ort und Stelle befindet, und daß die freien Teile der Hohlräume (5, 9) benachbart zum Kugelgelenk um das längliche Element (11) herum bei der Anbringung im Mund mit einem Zahnzement (15) oder einem entsprechenden Material auffüllbar sind, um die Form des länglichen Elementes nach dem Verbiegen zu konservieren.
  2. Zahnimplantat nach Anspruch 1, dadurch gekennzeichnet, daß der Kopf (6) an einem seiner Enden ein kugelförmiges Teil (8) aufweist, das derart angeordnet ist, daß es eng mit einer komplementären Kontaktfläche (4) zusammenwirken kann, die als Abschnitt einer Hohlkugel ausgebildet ist, deren Öffnungswinkel höchstens und vorzugsweise 180 ° groß ist und die von dem satt anliegenden Ende (3) des einsetzbaren Teiles (1, 1') gebildet wird, wobei das kugelförmige Teil (8) und die Kontaktfläche (4) das Kugelgelenk bilden.
  3. Zahnimplantat nach Anspruch 2, dadurch gekennzeichnet, daß die beiden Hohlräume (5 und 9) im Inneren über mindestens einen Teil ihrer Länge mit einem Gewinde versehen sind und daß das biegbare Element (11) einen biegbaren Stift (12) aufweist, der an jedem seiner Enden oder in der Nähe davon einen Satelliten (13) trägt, welcher mit einem Gewinde versehen ist, das zu dem Gewinde des Hohlraumes (5 oder 9) komplementär ist, und daß sich am freien Ende des kugelförmigen Teiles (8) des Kopfes (6) der Hohlraum (9) kegelstumpfartig erweitert, wobei das Kugelgelenk, die Hohlräume (5 und 9) und der biegbare Stift (12) so dimensioniert sind, daß sie eine Schiefstellung des Kopfes (6) relativ zum geraden Teil (2) des einsetzbaren Teiles (1, 1') zwischen 0° und etwa 30° abstützen können.
  4. Zahnimplantat nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, daß das biegbare Element (11) vor dem Verbiegen in bezug auf seinen Mittelpunkt (14) symmetrisch ausgebildet ist.
  5. Zahnimplantat nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, daß es vollständig aus reinem Titan mit Zahnfarbton oder aus einer Legierung von Titan, Aluminium und Vanadium besteht.
EP91900266A 1989-12-12 1990-12-04 Zahnimplantat Expired - Lifetime EP0457874B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR8916385 1989-12-12
FR8916385A FR2655534B1 (fr) 1989-12-12 1989-12-12 Implant dentaire.
PCT/FR1990/000876 WO1991008714A1 (fr) 1989-12-12 1990-12-04 Implant dentaire

Publications (2)

Publication Number Publication Date
EP0457874A1 EP0457874A1 (de) 1991-11-27
EP0457874B1 true EP0457874B1 (de) 1996-03-20

Family

ID=9388395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91900266A Expired - Lifetime EP0457874B1 (de) 1989-12-12 1990-12-04 Zahnimplantat

Country Status (7)

Country Link
US (1) US5178539A (de)
EP (1) EP0457874B1 (de)
JP (1) JPH04503621A (de)
CA (1) CA2044264A1 (de)
DE (1) DE69026079T2 (de)
FR (1) FR2655534B1 (de)
WO (1) WO1991008714A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2766354A1 (fr) 1997-07-25 1999-01-29 Guy Peltier Perfectionnements aux implants dentaires

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AT393952B (de) * 1990-08-01 1992-01-10 Sichler Heimo Thermisch verstell- und fixierbarer implantatpfosten
GB9124417D0 (en) * 1991-11-16 1992-01-08 Rosa Michael F Universal joint for dental abutment implant
US5439381A (en) * 1992-09-28 1995-08-08 Cohen; Howard Dental implant apparatus and method
US5527183A (en) * 1993-08-18 1996-06-18 Collaborative Enterprises, Inc. Endosseous implant system
US5527182A (en) * 1993-12-23 1996-06-18 Adt Advanced Dental Technologies, Ltd. Implant abutment systems, devices, and techniques
US5873721A (en) 1993-12-23 1999-02-23 Adt Advanced Dental Technologies, Ltd. Implant abutment systems, devices, and techniques
US5599185A (en) * 1994-09-28 1997-02-04 Greenberg Surgical Technologies, Llc Dental implant healing abutment
US5927979A (en) * 1994-12-15 1999-07-27 Biohorizons Implants Systems, Inc. Abutment-mount system for dental implants
US5628630A (en) * 1994-12-15 1997-05-13 Univ. Of Alabama At Birmingham Design process for skeletal implants to optimize cellular response
DE19509118A1 (de) * 1995-03-17 1996-09-19 Michael Hanel Zahnimplantatanordnung
US5944526A (en) * 1996-02-06 1999-08-31 Liu; Chiaho Method and apparatus for a dental implant system
US6068480A (en) * 1996-07-18 2000-05-30 Biohorizons Implant Systems, Inc. Abutment-mount with square driving surface
US6287115B1 (en) 1998-11-17 2001-09-11 L. Paul Lustig Dental implant and tool and method for effecting a dental restoration using the same
US6358052B1 (en) * 1999-07-15 2002-03-19 L. Paul Lustig Dental implant system and method for effecting a dental restoration using the same
US6533790B1 (en) * 2000-07-27 2003-03-18 Yuehuei H An Self-guided pedical screw
DE50007082D1 (de) * 2000-10-31 2004-08-19 Harry Muenster Implantataggregat
US6939135B2 (en) * 2002-06-03 2005-09-06 Schubert L. Sapian Growth factor releasing biofunctional dental implant
US7291013B2 (en) * 2002-06-28 2007-11-06 Zimmer Dental, Inc. Organic shaped interface for dental implant devices
IL156202A0 (en) * 2003-05-29 2003-12-23 Polydent Medical Devices Ltd Implant having integral flexible abutment portion and method for use thereof
CA2532544A1 (en) * 2003-07-25 2005-02-03 Michel Dadi Method and kit for preparing a dental abutment
US7214063B2 (en) * 2004-07-29 2007-05-08 Yechiel Cohen Implant system particularly useful for fixing dental prostheses to bone
CN101522130B (zh) * 2006-10-02 2012-08-22 西德勒斯+莫他伍斯股份有限公司 用于紧固牙齿替换件的锚固件
US20090208904A1 (en) * 2008-02-19 2009-08-20 Lans Maris J Dental implant
FR2927796A1 (fr) * 2008-02-26 2009-08-28 Gerard Gonzalez Pilier d'implant dentaire articule
US7959439B2 (en) * 2008-10-23 2011-06-14 Intrinsic Medical, Llc Apparatus, system, and method for implanting dental prosthesis
ES2481815T3 (es) * 2011-02-24 2014-07-31 Marcus Abboud Implante maxilar dental para sustentar un pilar de implante
AU2012267925B2 (en) 2011-06-08 2017-03-09 Zest Ip Holdings Llc Fixed detachable dental attachment device, assembly and methods of using the same
EP2736446B1 (de) * 2011-07-27 2020-09-02 Abracadabra Implants Ltd System zur restauration von zahnprothesen
DE102012000136B4 (de) * 2012-01-06 2013-08-22 Heraeus Kulzer Gmbh Dentalimplantat
KR200471489Y1 (ko) * 2012-04-04 2014-02-28 왕제원 각도조절과 위치조절이 자유로운 틀니 고정용 어태치먼트
US9931181B2 (en) 2014-07-22 2018-04-03 Zest Ip Holdings, Llc Fixed hybrid dental attachment assembly and methods of use
CN106659549B (zh) * 2014-07-22 2019-11-01 泽斯特知识产权控股有限公司 固定的混合牙科附接组件和使用方法
KR200495903Y1 (ko) * 2020-05-26 2022-09-15 콴린 우 일체 성형으로 각도를 조절할 수 있는 지대주 구조

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2766354A1 (fr) 1997-07-25 1999-01-29 Guy Peltier Perfectionnements aux implants dentaires

Also Published As

Publication number Publication date
JPH04503621A (ja) 1992-07-02
FR2655534B1 (fr) 1997-10-24
EP0457874A1 (de) 1991-11-27
US5178539A (en) 1993-01-12
CA2044264A1 (en) 1991-06-13
DE69026079D1 (de) 1996-04-25
FR2655534A1 (fr) 1991-06-14
WO1991008714A1 (fr) 1991-06-27
DE69026079T2 (de) 1996-09-12

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